package com.dy.lock.screen.service;

import java.util.List;
import java.util.Map;

import com.dy.lock.screen.pojo.MaterialInfo;
import com.dy.lock.screen.scoket.Head;

public interface MaterialService {

	/**
	 * 分页查询
	 * 
	 * @param para
	 * @param head
	 * @return
	 */
	public List<MaterialInfo> queryPage(Map<String, Object> para, Head head);

	/**
	 * 通过id查询
	 * 
	 * @param orderId
	 * @return
	 */
	public MaterialInfo queryByPrimaryKey(String mid);

}
